CN219436270U - 35kV current collecting circuit wiring equipment - Google Patents

Abstract

The utility model relates to the technical field of wiring equipment, in particular to 35kV current collection circuit wiring equipment, which improves the transmission reliability of 35kV current collection circuits. Including steel core aluminium hank insulated wire, cable T type fastener and U type buckle, current collecting circuit is connected with steel core aluminium hank insulated wire through cable T type fastener, locks the lock through the suit U type buckle on the cable T type fastener, still includes parallel clamp and drainage line to the molded line clamp includes bottom plate and lock clamp plate, and the drainage line both ends are connected between steel core aluminium hank insulated wire and current collecting circuit through parallel line clamp respectively, and the bottom plate and the lock clamp plate centre gripping cable of parallel clamp plate to connect fixedly through bolt and nut. The structure does not influence the power grid circuit, when the steel core aluminum stranded insulated conductor accidentally drops, the parallel wire clamp and the drainage wire have the effects of standby power supply and temporary emergency connection, and the hidden trouble of accidental breakage, drop and trip of the conductor in windy weather is prevented.

Description

35kV current collecting circuit wiring equipment

Technical Field

The utility model relates to the technical field of wiring equipment, in particular to 35kV current collection circuit wiring equipment, which improves the transmission reliability of 35kV current collection circuits.

Background

The 35kV box transformer substation terminal rod drainage wire is generally characterized in that a T-shaped wire clamp is fixedly connected with the drainage wire by adopting a U-shaped buckle, and then the parallel end of the T-shaped wire clamp is connected with a current collecting circuit by adopting the U-shaped buckle; according to the connection method, operation and maintenance personnel find that under the conditions of 'daily inspection of the current collecting line' and 'special inspection of the high wind weather line', under the high wind weather, the line swing is too large, so that the breakage phenomenon of a lead wire at the position of a T-shaped line clamp, which is connected with the current collecting line and the current conducting line, of a lightning arrester connecting wire and a lead wire at the upper opening of an isolating switch is easily caused, and the lead wire at the position of the T-shaped line clamp, which is connected with the current collecting line, is directly lapped on a pole tower after the lead wire is broken and falls off, so that the ground fault tripping accident of the 35kV current collecting line is very easy to cause.

The traditional wiring mode is used in a large amount in actual circuit wiring, the defects and potential safety hazards are exposed, the subsequent overhaul workload is increased, the serious potential safety hazards exist, the wire breakage, falling and tripping affect the safety of a power grid, meanwhile, high-altitude falling objects also cause great threat to ground personnel and equipment, and the technical problem of how to quickly upgrade the cable connection in a low-cost college is urgently needed to be solved.

Disclosure of Invention

The utility model solves the technical problems by adopting the following technical scheme:

the utility model provides a 35kV current collecting circuit wiring equipment, including steel core aluminium hank insulated wire, cable T type fastener and U type buckle, current collecting circuit is connected with steel core aluminium hank insulated wire through cable T type fastener, locks the lock through suit U type buckle on the cable T type fastener, still include parallel clamp and drainage line, and the parallel clamp includes bottom plate and lock clamp plate, and the drainage line both ends are connected between steel core aluminium hank insulated wire and current collecting circuit through parallel clamp respectively, and the bottom plate and the lock clamp plate centre gripping cable of parallel clamp, and are fixed through bolt and nut connection. The structure does not influence the power grid circuit, when the steel core aluminum stranded insulated conductor accidentally drops, the parallel wire clamp and the drainage wire have the effects of standby power supply and temporary emergency connection, and the hidden trouble of accidental breakage, drop and trip of the conductor in windy weather is prevented.

The drainage wire is a steel core aluminum stranded bare wire. The drainage wire plays a role in structural reinforcement and standby conduction, and meanwhile, the drainage wire is positioned at the side part of the steel core aluminum stranded insulated wire for splicing, when the steel core aluminum stranded insulated wire accidentally drops, the drainage wire rapidly replaces the dropped steel core aluminum stranded insulated wire to be continuously communicated with the current collecting circuit, and the steel core aluminum stranded insulated wire is prevented from dropping.

Two groups of arc clamping grooves are formed in the bottom plate and the buckling pressing plate of the parallel wire clamp, and the two groups of arc clamping grooves are symmetrically buckled. And the parallel wire clamps are connected with two groups of wires in parallel. The parallel wire clamp is special equipment for additionally installing the drainage wire, so that the connection strength and the electric connection are improved, meanwhile, the wires are convenient to rapidly assemble and disassemble, the use of the traditional installed wires is not affected, and the upgrading and transformation cost is effectively reduced.

The cable further comprises a buffer sleeve, wherein the buffer sleeve is made of rubber, and the buffer sleeve is sleeved at the joint of the steel core aluminum stranded insulated conductor and the cable T-shaped wire clamp. The structure prevents the cable and the article from being knocked when the steel core aluminum stranded insulated wire accidentally falls off, and meanwhile, the buffer sleeve effectively separates the mutual friction between the wires.

The nuts used on the U-shaped buckle and the parallel wire clamp are locknuts. Further improving the connection strength and obviously improving the anti-loosening performance under strong wind.

The steel core aluminum stranded insulated wires, the current collecting circuits and the drainage wires are distributed in a triangular mode. The connection stability at the connection node is guaranteed through the triangular support. The triangular stability can effectively inhibit the wire from shaking in the strong wind state, and the swinging amplitude of the wire in the same stress state is greatly lower than that of the traditional structure.

And the insulating layer is removed at the joint of the steel core aluminum stranded insulated wire and the parallel wire clamp or the cable T-shaped wire clamp, and the bare wire is attached to the parallel wire clamp or the cable T-shaped wire clamp. The wire rod of being convenient for is firmly connected, and the insulating layer can naturally age after using a period, if connect on the insulating layer not only influence conductive properties, and the insulating layer very easily appears becoming flexible and drops after ageing moreover.

The aluminum wrapping tape is wound at the joint of the steel core aluminum stranded insulated conductor and the cable T-shaped wire clamp, the connection conductivity is improved, and the end head and the aluminum wrapping tape are protected by the buffer sleeve sleeved outside the aluminum wrapping tape.

The beneficial effects of the utility model are as follows:

the structure of the utility model can directly add upgrade application on the existing traditional wire connecting structure, and effectively control upgrade and refitting cost. Particularly, the wind resistance is obviously improved. In addition, the structure of the utility model provides emergency supplementary connection, the traditional wire rod can not fall off in high altitude after accidental falling, and the emergency connection is electrified rapidly. And (5) after the weather of strong wind is improved, overhauling is carried out. In addition, the structure avoids the occurrence probability of the high-altitude falling object. In specific application, the ground tripping fault caused by the breakage and falling of the drain wire of the terminal rod of the 35kV box transformer substation is effectively reduced, and the operation reliability of the 35kV current collection circuit is effectively improved.

Drawings

FIG. 1 is a schematic diagram of a prior art structure;

FIG. 2 is a schematic diagram of the structure of the present utility model;

FIG. 3 is a schematic view of the structure of the buffer jacket of the present utility model;

FIG. 4 is a schematic diagram of a parallel wire clip of the present utility model;

FIG. 5 is a cross-sectional view of a parallel wire clamp;

in the figure: the cable comprises a steel core aluminum twisted insulating wire 1, a cable T-shaped wire clamp 2, a U-shaped buckle 3, a parallel wire clamp 4, a drainage wire 5, a bottom plate 6, a buckling pressing plate 7 and a buffer sleeve 8.

Detailed Description

The utility model provides a 35kV current collecting circuit wiring equipment, including steel core aluminium hank insulated wire 1, cable T type fastener 2 and U type buckle 3, current collecting circuit is connected with steel core aluminium hank insulated wire 1 through cable T type line clamp 2, lock the lock through suit U type buckle 3 on the cable T type fastener 2, still include and draw wire clamp 4 and drainage line 5, and the line clamp 4 includes bottom plate 6 and lock clamp plate 7, the drainage line 5 both ends are connected between steel core aluminium hank insulated wire 1 and current collecting circuit through drawing wire clamp 4 respectively, and the bottom plate 6 and the lock clamp plate 7 centre gripping cable of line clamp 4, and be connected fixedly through bolt and nut.

The drainage wire 5 is a steel core aluminum stranded bare wire. Two groups of arc-shaped clamping grooves are formed in the bottom plate 6 and the buckling pressing plate 7 of the parallel line clamp 4, and the two groups of arc-shaped clamping grooves are symmetrically buckled. The cable T-shaped wire clamp further comprises a buffer sleeve 8, wherein the buffer sleeve 8 is made of rubber, and the buffer sleeve 8 is sleeved at the joint of the steel core aluminum stranded insulated conductor 1 and the cable T-shaped wire clamp 2. The nuts used on the U-shaped buckle 3 and the parallel wire clamp 4 are locknuts. The steel core aluminum stranded insulated conductor 1, the current collecting circuit and the drainage wire 5 are distributed in a triangular shape. And the insulating layer is removed from the joint of the steel core aluminum stranded insulated wire 1 and the parallel wire clamp 4 or the cable T-shaped wire clamp 2, and the bare wire is attached to the parallel wire clamp 4 or the cable T-shaped wire clamp 2.

When in use, the drainage wire 5 is additionally arranged between the steel-cored aluminum stranded insulated wire 1 and the current collecting wire, one end of a drainage wire 5 is connected with the steel core aluminum stranded insulated wire 1 through a parallel wire clamp 4, and the other end of the drainage wire is connected with a current collecting circuit. When the unexpected steel core aluminum stranded insulated conductor 1 of strong wind suddenly drops, the drainage wire 5 replaces the original steel core aluminum stranded insulated conductor 1 rapidly and continuously guarantees electric connection, meanwhile, the steel core aluminum stranded insulated conductor 1 is hung to prevent the falling, the buffer sleeve 8 buffers the swinging impact force of the end head of the steel core aluminum stranded insulated conductor 1, other impacted objects and equipment are protected, and the end head of the steel core aluminum stranded insulated conductor 1 is protected. During overhaul, workers only need to find that the suspended steel core aluminum twisted insulated conductor 1 is overhauled and maintained through naked eye observation.

In addition, the drainage wire is connected with the lightning arrester for improving lightning protection performance, the parallel wire clamp 4 can be adopted and connected with the lightning arrester through the steel core aluminum stranded insulated wire, subsequent assembly and disassembly are convenient, the connection is particularly suitable for repairing and using unexpected falling of a cable connection ring, and the whole set of replacement operation can be completed through quick fitting and thread locking of the bottom plate 6 and the buckling pressing plate 7. And the profile clamp 4 is made into a group of arc-shaped clamping grooves according to actual needs, so that a single wire rod is conveniently connected with the lightning arrester, and the number of the arc-shaped clamping grooves of the profile clamp 4 is moderately increased or decreased according to the number of actual connecting cables.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

The utility model and its embodiments have been described above with no limitation, and the actual construction is not limited to the embodiments of the utility model as shown in the drawings. In summary, if one of ordinary skill in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical solution should not be creatively devised without departing from the gist of the present utility model.

Claims (8)

1. The utility model provides a 35kV current collecting circuit wiring equipment, including steel core aluminium hank insulated wire (1), cable T type fastener (2) and U type buckle (3), current collecting circuit is connected with steel core aluminium hank insulated wire (1) through cable T type line clamp (2), lock the lock through suit U type buckle (3) on cable T type line clamp (2), its characterized in that still includes parallel type fastener (4) and drainage line (5), parallel type fastener (4) include bottom plate (6) and lock clamp plate (7), connect between steel core aluminium hank insulated wire (1) and collection circuit through parallel type fastener (4) respectively at drainage line (5) both ends, bottom plate (6) and lock clamp plate (7) centre gripping cable of parallel type fastener (4) to through bolt and nut connection fixed.

2. A 35kV collector line junction device according to claim 1, characterized in that the drain wire (5) is a steel core aluminium stranded bare wire.

3. The 35kV current collecting circuit wiring device according to claim 1, wherein two groups of arc-shaped clamping grooves are formed in a bottom plate (6) and a buckling pressing plate (7) of the parallel wire clamp (4), and the two groups of arc-shaped clamping grooves are symmetrically buckled.

4. The 35kV current collecting circuit wiring device according to claim 1, further comprising a buffer sleeve (8), wherein the buffer sleeve (8) is made of rubber, and the buffer sleeve (8) is sleeved at the joint of the steel core aluminum stranded insulated conductor (1) and the cable T-shaped wire clamp (2).

5. A 35kV collector line junction device according to any of claims 1 to 4, characterized in that the nuts used on the U-shaped clasp (3) and the parallel clamp (4) are locknuts.

6. A 35kV collector line junction device according to claim 1, characterized in that the steel core aluminium twisted insulated wire (1), collector line and drain wire (5) are arranged in a triangle.

7. The 35kV current collecting line wiring device according to claim 1, wherein an insulating layer is removed at the joint of the steel core aluminum stranded insulated wire (1) and the parallel wire clamp (4) or the cable T-shaped wire clamp (2), and the bare wire is attached to the parallel wire clamp (4) or the cable T-shaped wire clamp (2).

8. The 35kV current collecting circuit wiring equipment is characterized in that an aluminum wrapping belt is wound at the joint of the steel core aluminum stranded insulated wire (1) and the cable T-shaped wire clamp (2), and a buffer sleeve (8) is sleeved outside the aluminum wrapping belt.